Display board assembly



FIG. 1 is a top front perspective view of a display board assembly showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view, the bottom plan view being identical thereto;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a top front perspective view, shown on a reduced scale of a second embodiment of a display board assembly.

The subject matter of this application is also shown in or pertinent to my copending patent applications filed of even date herewith, which applications (3) are incorporated herein by reference. 

The ornamental design for a display board assembly, as shown and described. 